<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      padding: 0;
      margin: 0;
      box-sizing: border-box;
    }
    .thumb-responsive {
      padding: 15px;
      margin: auto;
    }
    .thumb-responsive .item {
      text-align: center;
      margin-bottom: 20px;
    }
    .thumb-responsive .item  a img {
      display: block;
      max-width: 100%;
      height: auto;
    }
  </style>
</head>
<body>
    <div class="thumb-responsive">
      <div class="item">
        <a><img src="./images/thumb.png" alt=""></a>
        <div class="decs">
          <h4>标题aaa</h4>
          <p>具体描述</p>
          <p>$999</p>
        </div>
      </div>
      <div class="item">
        <a><img src="./images/thumb.png" alt=""></a>
        <div class="decs">
          <h4>标题aaa</h4>
          <p>具体描述</p>
          <p>$999</p>
        </div>
      </div>
      <div class="item">
        <a><img src="./images/thumb.png" alt=""></a>
        <div class="decs">
          <h4>标题aaa</h4>
          <p>具体描述</p>
          <p>$999</p>
        </div>
      </div>
      <div class="item">
        <a><img src="./images/thumb.png" alt=""></a>
        <div class="decs">
          <h4>标题aaa</h4>
          <p>具体描述</p>
          <p>$999</p>
        </div>
      </div>
    </div>
  </div>

</body>
</html>